2022-05-17
Elliptic integrals The length of the ellipse
x=acost,y=bsint,0≤t≤2π
turns out to be
=4a∫π/201−e2cos2t√dt
where e is the ellipse's eccentricity. The integral in this formula, called an elliptic integral, is non elementary except when e=0 or 1 a. Use the Trapezoidal Rule with n=10 to estimate the length of the ellipse when a=1 and e=1/2 . b. Use the fact that the absolute value of the second derivative of f(t)=1−e2cos2t√ is less than 1 to find an upper bound for the error in the estimate you obtained in part (a).
nick1337
Expert2022-07-03Added 777 answers
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